add docking state to AtermHelper.
if AtermHelper#isDocking is true (it is probably true), check the wifi's
radio before wake up.
Does wake up when radio is not found.
add comment
remove enable control's flag.
after this, AtermHelper controls BT's enable.
introduce lastValidInfo.
judge whether router is docking by comparing current Info and
lastValidInfo.
add update time to AtermHelper#Info.
cycle of updating info is controlled by update time.
remove an argument, context, from AtermHelper#Info.
change 'msec' to 'ミリ秒'
change AtermHelper#Info's lifetime to 10 minutes from 5.
reset docking's flag and last valid information when try to wake up.

release 1.2